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Finding the Fourth Proportional to 123,800.41, 185,698.50 and 39,559.96

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Solution

The fourth proportional to 123,800.41, 185,698.50 and 39,559.96 is: 59,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,800.41 : 185,698.50 = 39,559.96 : x
  2. Step 2: Convert to fraction form
    123,800.41/185,698.50 = 39,559.96/x
  3. Step 3: Cross multiply
    123,800.41x = 185,698.50 × 39,559.96
  4. Step 4: Simplify right side
    123,800.41x = 7,346,225,232.06
  5. Step 5: Solve for x
    x = 7,346,225,232.06/123,800.41
  6. Step 6: Final answer
    x = 59,339.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.